Po-Shen Loh studies questions that lie at the intersection of two branches of mathematics: combinatorics (the study of of discrete systems) and probability theory. Randomness can manifest itself in the construction of a combinatorial system, as in the case of a so-called "random graph", but may also be artificially introduced as a proof technique to solve problems about purely deterministic systems, as was pioneered by Paul Erdos in what is now known as the Probabilistic Method. Po-Shen has published several papers in these areas, under the supervision of his Ph.D. advisor, Professor Benjamin Sudakov.

 

Prior to his work at Princeton, Po-Shen received the equivalent of a masters degree in mathematics from the University of Cambridge (United Kingdom) in 2005, where he was supported by a Winston Churchill Foundation Scholarship. He received his undergraduate degree in mathematics from Caltech in 2004, graduating first in his class, and his undergraduate thesis later received the Honorable Mention for the 2004 AMS-MAA-SIAM Morgan Prize. He won a silver medal at the 1999 International Mathematical Olympiad as a high school student, and is active in the training of high school students at the U.S. national Math Olympiad Summer Program. In 2004, he served as the Deputy Leader for the U.S. team at the International Mathematical Olympiad in Athens, Greece, where our national team placed second.

 

He is married to Debbie Lee, a fellow Caltech graduate, and they have two children.

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